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#include "length.h"
#include <library/cpp/testing/unittest/registar.h>
#include <util/generic/string.h>
Y_UNIT_TEST_SUITE(TestLengthIO) {
Y_UNIT_TEST(TestLengthLimitedInput) {
char buf[16];
TStringStream s1("abcd");
TLengthLimitedInput l1(&s1, 2);
UNIT_ASSERT_VALUES_EQUAL(l1.Load(buf, 3), 2);
UNIT_ASSERT_VALUES_EQUAL(l1.Read(buf, 1), 0);
}
Y_UNIT_TEST(TestCountingInput) {
char buf[16];
TStringStream s1("abc\ndef\n");
TCountingInput l1(&s1);
TString s;
l1.ReadLine(s);
UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 4);
l1.Load(buf, 1);
UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 5);
l1.Skip(1);
UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 6);
l1.ReadLine(s);
UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 8);
}
Y_UNIT_TEST(TestCountingOutput) {
TStringStream s1;
TCountingOutput l1(&s1);
l1.Write('1');
UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 1);
l1.Write(TString("abcd"));
UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 5);
TString buf("aaa");
IOutputStream::TPart parts[] = {{buf.data(), buf.size()}, {buf.data(), buf.size()}, {buf.data(), buf.size()}};
l1.Write(parts, 3);
UNIT_ASSERT_VALUES_EQUAL(l1.Counter(), 14);
}
}
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